package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品管理")
@Slf4j
public class DishController {
    @Resource
    private DishService dishService;

    @Resource
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     *
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    @CacheEvict(cacheNames = "dishCache",key = "#dishDTO.categoryId")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
//        String key = "dish_" + dishDTO.getCategoryId();
        // 清理缓存数据
//        redisTemplate.delete(key);
        return Result.success();
    }


    /**
     * 菜品分页查询
     *
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品批量删除
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result delete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除：{}", ids);
        dishService.deleteBatch(ids);
        // 将所有的菜品缓存数据清理掉，所有以dish_开头的key
//        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品和对应的口味
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品和对应的口味")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }


    /**
     * 根据id修改菜品基本信息和对应口味信息
     *
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);
        // 将所有的菜品缓存数据清理掉，所有以dish_开头的key
//        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 菜品启售/停售
     *
     * @param status
     * @param id
     * @return
     */
    @PostMapping("status/{status}")
    @ApiOperation("菜品启售/停售")
    @CacheEvict(cacheNames = "dishCache",allEntries = true)
    public Result startOrStop(@PathVariable Integer status, Long id) {
        dishService.startOrStop(status, id);
        // 将所有的菜品缓存数据清理掉，所有以dish_开头的key
//        cleanCache("dish_*");
        return Result.success();
    }


    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> getByCategoryId(String categoryId) {
        log.info("根据分类id查询菜品：{}", categoryId);
        List<Dish> list = dishService.getByCategoryId(categoryId);
        return Result.success(list);
    }

    /**
     * 清理缓存
     *
     * @param pattern
     */
//    private void cleanCache(String pattern) {
//        // 将所有的菜品缓存数据清理掉，所有以dish_开头的key
//        Set keys = redisTemplate.keys(pattern);
//        redisTemplate.delete(keys);
//    }
}
